| Ten Commandments | Ten Hours Hunting | Ten percent of the brain myth |
| Ten Sleep, Wyoming | Ten Threats | Ten Years of Tomb Raider: A GameTap Retrospective |
| Ten-Day War | Tenacity (mineralogy) | Tenakee Springs, Alaska |
| Tenatoprazole | Tenax | Tencent |
| Tenchi Muyo | Tenchu | Tenchu 2: Birth of the Stealth Assassins |
| Tenchu Z | Tenchu: Dark Secret | Tenchu: Fatal Shadows |
| Tenchu: Shadow Assassins | Tenchu: Stealth Assassins | Tenchu: Time of the Assassins |
| Tenchu: Wrath of Heaven | Tende | Tender Mercies |
| Tendla | Tendon | Tendon transfer |
| Tenebrionidae | Tenebrionoidea | Tenema N'Diaye |
| Tenericutes | Tenerife | Tenerife airport disaster |
| Teneur | Tengchong Tuofeng Airport | Tengiz Sulakvelidze |
| Tengrist movement | Tenino, Washington | Tenjho Tenge |
| Tennant, Iowa | Tennessee | Tennessee Ridge, Tennessee |
| Tennessee River | Tennessee Williams | Tennessee, Illinois |
| Tenney, Minnesota | Tennille, Georgia | Tennis elbow |
| Tennyson, Wisconsin | Tenochtitlan | Tenofovir/emtricitabine |
| Tenon's capsule | Tenonitis | Tenor |
| Tenosynovitis | Tenotomy | Tenpei Sato |
| Tensas Parish, Louisiana | Tensile structure | Tensile testing |
| Tension (physics) | Tension myositis syndrome | Tensor |
| Tensor algebra | Tensor fasciae latae muscle | Tensor tympani muscle |
| Tenstrike, Minnesota | Tent | Tenth Crusade |
| Tenualosa ilisha | Tenure (film) | Tenzin |
| Tenzing-Hillary Airport | Teo Fabi | Teodora Ruano |
| Teodoro Obiang Nguema Mbasogo | Teofilo Spasojević | Teoma |
| Teotihuacan | Tephigram | Tephritidae |
| Tephritoidea | Tephrosia | Tephrosia apollinea |
| Tephrosia arenicola | Tephrosia aurantiaca | Tephrosia belizensis |
| Tephrosia clementii | Tephrosia elegans | Tephrosia elliptica |
| Tephrosia elongata | Tephrosia odorata | Tephrosia pondoensis |
| Tephrosia purpurea | Tephrosia socotrana | Tephrosia spinosa |
| Teprenone | Tequesta, Florida | Tequixquiac |
| Tera 100 | Tera-10 | Terabyte |
| Terahertz radiation | Teran Williams | Terana |
| Terana caerulea | Terathopius ecaudatus | Teratology |
| Teratoma | Teratosauridae | Teratosaurus |
| Teratoscincus | Terbium | Terbutaline |
| TERCOM | Teredinidae | Teredo tunneling |
| Terenah | Terence Kongolo | Terence Tao |
| Terengganu | Terephthalic acid | Teres major muscle |
| Teres minor muscle | Teresa (1989 telenovela) | Teresa Almeida |
| Teresa Edwards | Teresa of Ávila | Teresa Palmer |
| Teresa Portela (Spanish canoeist) | Teresa Wright | Terfeziaceae |
| Teri Hatcher | Teri Meherbaniyan | Teri Meri Kahaani |
| Teri Polo | Terje Hauge | Terlipressin |
| Term Life | Term symbol | Termagant |
| Terminal (electronics) | Terminal aerodrome forecast | Terminal bronchiole |
| Terminal cisternae | Terminal emulator | Terminal High Altitude Area Defense |
| Terminal illness | Terminal nerve | Terminal Reality |
| Terminal User Interface | Terminal value (finance) | Terminal velocity |
| Terminal web | Terminalia | Terminalia acuminata |
| Terminalia albida | Terminalia amazonia | Terminalia argentea |
| Terminalia australis | Terminalia avicennioides | Terminalia boivinii |
| Terminalia brachystemma | Terminalia brasiliensis | Terminalia brownii |
| Terminalia bucioides | Terminalia calcicola | Terminalia catappa |
| Terminalia chebula | Terminalia crispialata | Terminalia dichotoma |
| Terminalia edulis | Terminalia eichleri | Terminalia eichleriana |
| Terminalia franchetii | Terminalia glabrescens | Terminalia laxiflora |
| Terminalia lucida | Terminalia menezesii | Terminalia modesta |
| Terminalia molinetii | Terminalia mollis | Terminalia muelleri |
| Terminalia myriocarpa | Terminalia nigrovenulosa | Terminalia oblonga |
| Terminalia orbicularis | Terminalia perrieri | Terminalia phaeocarpa |
| Terminalia polyantha | Terminalia reitzii | Terminalia sericea |
| Terminalia spinosa | Terminalia stenostachya | Terminalia stuhlmannii |
| Terminalia superba | Terminalia tetrandra | Terminalia triflora |
| Terminalia valverdeae | Terminalia virens | Terminalia yapacana |
| Terminator (character) | Terminator 2: Judgment Day | Terminator 3: Rise of the Machines |
| Terminator Genisys | Terminator Salvation | Terminator Salvation (video game) |
| Terminator: The Sarah Connor Chronicles | Terminologia Anatomica | Terminologia Embryologica |
| Terminologia Histologica | Terminology | Termobacterium |
| Terms of Endearment | Termus aquaticus | Ternary computer |
| Ternary numeral system | Ternas | Ternopil Airport |
| Teroual | Terpene | Terpsinoë |
| Terpsiphone viridis | Terra Alta, West Virginia | Terra Nova Expedition |
| Terrabacteria | Terrace (agriculture) | Terracotta |
| Terrafugia Transition | Terramare culture | Terrapene |
| Terrapene carolina | Terraria | Terre Haute International Airport |
| Terre Haute, Indiana | Terrebonne Parish, Louisiana | Terrell Hills, Texas |
| Terrence Howard | Terrence Jones | Terrence Malick |
| Terrestrial planet | Terril, Iowa | Territorial dispute |
| Territorial evolution of Canada | Territorial integrity | Territorial nationalism |
| Territorial waters | Territory (country subdivision) | Terrorism |
| Terrorism in Sinai | Terrorism in Yemen | Terry Allen (boxer) |
| Terry Antonis | Terry Brooks | Terry Crews |
| Terry Eagleton | Terry Fox | Terry Griffiths |
| Terry McDermott | Terry Neill | Terry O'Quinn |
| Terry Phelan | Terry Sanford | Terry Vaughn (referee) |
| Terry Venables | Terry, Mississippi | Terry, Montana |
| Terrytown, Nebraska | Terryville, Connecticut | Tersane Konferansı |
| Tersane-i Amire | Tersâne-i Âmire | Tersicoccus phoenicis |
| Tersus | Tert-Butyllithium | Tertiary |
| Tertiary bronchus | Tertiary sector of the economy | Tertullian |
| Tertullianus | Teruyuki Moniwa | Tervijan |
| Tesamorelin | Tescott, Kansas | Teshkeel Comics |
| Teshome Getu | Tesla | Tesla (unit) |
| Tesla coil | Tesla Model 3 | Tesla Model S |
| Tesla Motors | Tess (film) | Tess Gerritsen |
| Tess Wester | Tessa Ferrer | Tessellation |
| Tesshō Genda | Test | Test automation |
